VCB Suppliers in Noida
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Vacuum Circuit Breaker

We manufacture Vacuum Circuit Breakers (VCB) that are fully compartmentalized, metal clad design with the superior interruption medium of vacuum. Our VCB are designed as per Indian and IEC Standards.

These are designed for reliable performance, ease of handling & simplified maintenance and provides superior control & protection of medium voltage power equipment & circuits in utility, industrial, commercial installations involving transformers, generators, motors, feeder circuits and transmission & distribution lines.

Key Features

  • Conforming to IEC : 62271-100, 62271-200 & IS : 13118
  • Metal clad, Fully compartmentalized
  • Horizontal isolation, horizontal draw out
  • Integrated earthing switch with fault making
  • Readily extendable
  • Available single Busbar and double Busbar execution
  • Cubicles designed to meet temperature rise limits without need for forced ventilation

Safety Features

  • Fully insulated Busbar with removable shrouds at joints
  • Padlocks door and safety shutter
  • Integral earthing switch mechanically interlocked with Circuit breaker
  • Internal arc compliant
  • Comprehensive safety interlocks

Operation & Maintenance

  • Simple installation and user friendly
  • Maintenance free vacuum interrupters
  • Isolatable potential transformers
  • Dry type current transformers
  • Sufficient space for relays and instruments in a Low Voltage Compartment

Dealer Form

Technical Specifications
Nominal Voltage 12KV or 36KV
Degree of Protection IP 55
Operation Sequence O - 0.3 sec. - CO - 3 min. - CO
Opening Time < 30 ms
Break Time < 50 ms
Full Load Switching Life (No. of Operations) 10,000
Closing Voltage 24 V DC / 110 V DC
Tripping Voltage 24 V DC / 110 V DC
Auxillary Contacts wired to SD5 8 NO + 8 NC
Fault Level 25 KA for 3 secs.
Current Rating
630 Amps 12KV / 24KV
1250 Amps 12KV / 24KV / 36KV
2000 Amps 12KV / 24KV / 36KV
Also available as per customer's requirement.